Paper
9 February 2007 Forces and binding in a two-mirror system
Author Affiliations +
Abstract
Two mirrors guiding light experience attractive or repulsive forces according to the eigenmode type of symmetry, but regardless of the specific details of the guiding structure. A transverse evanescent mode (TM or TE) that has an anti-symmetric transverse field causes repulsion, while attraction occurs when the mode has a symmetric transverse field. Transverse propagating modes, however, are always repulsive. One possible application for this phenomenon is to use a symmetric mode supported, for instance, by two properly designed Bragg mirrors. By varying the wavelength of the mode injected into the waveguide, it is possible to cross the light-line and switch between attraction and repulsion. If the mirror is free to move in the transverse direction, then this is a scheme for controlling its motion. Another possibility is to create a stable equilibrium with a superposition of transverse evanescent symmetric and anti-symmetric modes. For this purpose, a more appealing configuration than Bragg mirrors is a waveguide that consists of two dielectric slabs where the light is guided by total internal reflection. Each slab is trapped in a potential well resulting in optical binding by eigenmodes.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Amit Mizrahi and Levi Schächter "Forces and binding in a two-mirror system", Proc. SPIE 6483, Complex Light and Optical Forces, 648303 (9 February 2007); https://doi.org/10.1117/12.699997
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KEYWORDS
Mirrors

Waveguides

Dielectrics

Dispersion

Optical binding

Radio propagation

Transmission electron microscopy

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